Consolidated Statements of Comprehensive Income - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 165,919,000	$ 164,240,000	$ 161,458,000
Securities available-for-sale and transferred securities:
Change in net unrealized holding gains (losses) on available for sale securities during the period	518,000	(850,000)	0
Reclassification adjustment of unrealized losses on securities transferred from held-to-maturity	0	(27,000)	0
Reclassification adjustment for net loss on sale of available for sale securities, included in net income	0	79,000	0
Other comprehensive income (loss), net of tax	518,000	(798,000)	0
Comprehensive income	$ 166,437,000	$ 163,442,000	$ 161,458,000